He will report to Ashok Vaswani, who is the chief executive of UK retail and business banking.

Weston is currently supporting the handover at NAB to his successor and will begin his new role at Barclays in April 2012.

Vaswani says: “I am delighted to have attracted someone of Steve’s calibre to join us at Barclays. He brings with him a wealth of knowledge and experience and he will be a welcome addition to the team.

“I am excited about the opportunities his fresh thinking and external experience from an overseas mortgage market will bring to help us drive forward our strategy and deliver innovative products and services to our UK customers.”

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